Automotive Electronics

Stackpole Introduces Low Profile Sulfur-Resistant Chip Resistor For Automotive Applications

Stackpole Electronics Inc. (SEI) states that it is providing circuit designers with a low-profile chip and sulfur-resistant properties – the new thin film RNCP Series resistors are said to offer twice the normal power rating compared to standard thick film technology. The elimination of silver and gold make the devices impervious to sulfur contamination and is said to reduce the cost to be within 10% of the cost of standard general-purpose thick film chips. For new designs, if a smaller case size can be used, the pricing is less than the traditional thick film solution. In addition, the RNCP Series does not have any lead-containing glass, making it RoHS-complaint without exemptions. Well suited for harsh environments and long-term reliability products, such as automotive applications, the RNCP Series is said to offer all of the advantages of thin film technology, including high power handling, high stability and low noise.

The RNCP Series offers durable, high-performance characteristics for automotive electronics including engine control units, gearbox controls, body electronics, safety systems, power supplies and braking systems. With the capability to withstand high temperatures and vibration, the RNCP Series meets all necessary automotive requirements and certifications.

"The thin film RNCP Series is a reliable alternative to high-power thick film resistive technology and is a lower cost alternative to conventional thin film chip resistors," said Kory Schroeder, Director of Marketing at SEI. "In addition, the anti-sulfur material extends the operating life of this already-rugged part, which is vital in applications where long term reliability is critical."

Featuring absolute tolerances to 1% and a TCR of 100ppm/°C, the RNCP Series resistors are available in 0402, 0603, 0805 and 1206 chip sizes, with power ratings from 0.1 to 0.5W and maximum working voltages from 50 to 200V.

The RNCP Series is available on standard 7-inch reels. Pricing varies with chip size, tolerance, and resistance value and ranges from around $1.00 per thousand to $10 per thousand in full reel quantities; contact Stackpole for volume pricing.

Stackpole Electronics Inc.
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